:root {

  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-gradient: linear-gradient(135deg, #0c0c1e 0%, #1a1a2e 50%, #16213e 100%);


  --primary: #667eea;
  --primary-light: #818cf8;
  --secondary: #764ba2;
  --accent: #4facfe;
  --accent-glow: #00f2fe;


  --bg-dark: #0a0a14;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.4);
  --border-glass: rgba(255, 255, 255, 0.1);


  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', var(--font-primary);


  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;


  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-full: 50%;


  --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-elevated: 0 25px 50px -12px rgba(0, 0, 0, 0.5);


  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}


*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


.background-effects {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}


.orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(80px);
  opacity: 0.5;
  animation: float 20s ease-in-out infinite;
}

.orb--primary {
  width: 600px;
  height: 600px;
  background: var(--primary-gradient);
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}

.orb--secondary {
  width: 500px;
  height: 500px;
  background: var(--secondary-gradient);
  bottom: -150px;
  left: -150px;
  animation-delay: -5s;
}

.orb--accent {
  width: 400px;
  height: 400px;
  background: var(--accent-gradient);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -10s;
  opacity: 0.3;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(30px, -30px) scale(1.05);
  }
  50% {
    transform: translate(-20px, 20px) scale(0.95);
  }
  75% {
    transform: translate(-30px, -20px) scale(1.02);
  }
}


.grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.5;
}


.container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-lg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}


.hero {
  text-align: center;
  padding: var(--space-2xl) 0;
}


.brand {
  margin-bottom: var(--space-xl);
}

.brand__name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 6rem);
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  position: relative;
  display: inline-block;
  animation: glow-pulse 3s ease-in-out infinite;
}

.brand__name::after {
  content: 'PsiDesk';
  position: absolute;
  top: 0;
  left: 0;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: blur(30px);
  opacity: 0.5;
  z-index: -1;
}

@keyframes glow-pulse {
  0%, 100% {
    filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.4));
  }
  50% {
    filter: drop-shadow(0 0 40px rgba(102, 126, 234, 0.6));
  }
}

.brand__tagline {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: var(--space-sm);
}


.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-sm) var(--space-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  margin-bottom: var(--space-xl);
  animation: slide-up 0.8s ease-out;
}

.status-badge__dot {
  width: 10px;
  height: 10px;
  background: #22c55e;
  border-radius: var(--radius-full);
  animation: pulse-dot 2s ease-in-out infinite;
  box-shadow: 0 0 10px #22c55e;
}

@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.7;
  }
}

.status-badge__text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}


.message {
  margin-bottom: var(--space-xl);
  animation: slide-up 0.8s ease-out 0.2s both;
}

.message__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.message__title span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.message__description {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}







.features-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  width: 100%;
  max-width: 800px;
  margin-bottom: var(--space-xl);
  animation: slide-up 0.8s ease-out 0.6s both;
}

.feature-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-gradient);
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(102, 126, 234, 0.3);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  display: block;
}

.feature-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.feature-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}


.notify-section {
  width: 100%;
  max-width: 500px;
  animation: slide-up 0.8s ease-out 0.8s both;
}

.notify-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.notify-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  text-align: center;
}

.notify-card__form {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.notify-card__input {
  flex: 1;
  min-width: 200px;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: var(--transition-fast);
  outline: none;
}

.notify-card__input::placeholder {
  color: var(--text-muted);
}

.notify-card__input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.notify-card__button {
  padding: var(--space-sm) var(--space-lg);
  background: var(--primary-gradient);
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-primary);
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.notify-card__button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: var(--transition-smooth);
}

.notify-card__button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.notify-card__button:hover::before {
  left: 100%;
}

.notify-card__button:active {
  transform: translateY(0);
}


.footer {
  margin-top: auto;
  padding-top: var(--space-xl);
  text-align: center;
  animation: fade-in 1s ease-out 1s both;
}

.footer__text {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer__heart {
  color: #ef4444;
  display: inline-block;
  animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  25% {
    transform: scale(1.1);
  }
  50% {
    transform: scale(1);
  }
  75% {
    transform: scale(1.1);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}


.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-light);
  border-radius: var(--radius-full);
  opacity: 0;
  animation: particle-float 15s linear infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 40%; animation-delay: 6s; }
.particle:nth-child(5) { left: 50%; animation-delay: 8s; }
.particle:nth-child(6) { left: 60%; animation-delay: 10s; }
.particle:nth-child(7) { left: 70%; animation-delay: 12s; }
.particle:nth-child(8) { left: 80%; animation-delay: 14s; }
.particle:nth-child(9) { left: 90%; animation-delay: 1s; }
.particle:nth-child(10) { left: 5%; animation-delay: 3s; }

@keyframes particle-float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-100vh) rotate(720deg);
    opacity: 0;
  }
}


@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }

  .container {
    padding: var(--space-md);
  }

  .hero {
    padding: var(--space-xl) 0;
  }

  .features-preview {
    grid-template-columns: 1fr;
  }

  .notify-card__form {
    flex-direction: column;
  }

  .notify-card__button {
    width: 100%;
  }

  .orb--primary {
    width: 300px;
    height: 300px;
  }

  .orb--secondary {
    width: 250px;
    height: 250px;
  }

  .orb--accent {
    width: 200px;
    height: 200px;
  }
}

@media (max-width: 480px) {
  .brand__name {
    font-size: 2.5rem;
  }

  .status-badge {
    padding: var(--space-xs) var(--space-md);
  }

  .feature-card {
    padding: var(--space-md);
  }
}


@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}


::selection {
  background: rgba(102, 126, 234, 0.3);
  color: var(--text-primary);
}


::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: var(--radius-xl);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}